The new VIKING 3350 Series auto-darkening welding helmets from Lincoln Electric feature top-quality LCD optics for a clear, natural view in varied ambient light settings. The solar-powered helmets, augmented with a user-replaceable lithium battery, have a substantial 3.34″ height viewing area in a US standard 5-1/4″ x 4-1/2″ cartridge shell. VIKING helmets are ideal for stick, TIG, pulsed TIG, MIG, pulsed MIG, and flux-cored welding, as well as gouging and grinding. Internally mounted controls also can be used to test helmet/battery condition before welding. Info: Lincoln Electric, 888/355-3213, www.LincolnElectric.com.